package com.mfc.education.service.edu.controller.admin;


import com.baomidou.mybatisplus.core.metadata.IPage;
import com.mfc.education.common.base.result.R;
import com.mfc.education.service.edu.entity.form.CourseInfoForm;
import com.mfc.education.service.edu.entity.vo.CoursePublishVo;
import com.mfc.education.service.edu.entity.vo.CourseQueryVo;
import com.mfc.education.service.edu.entity.vo.CourseVo;
import com.mfc.education.service.edu.service.CourseService;
import com.mfc.education.service.edu.service.VideoService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
import org.apache.velocity.util.introspection.Uberspect;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author Mfc
 * @since 2021-07-25
 */

@Api(description = "课程管理")
@RestController
@RequestMapping("admin/edu/course")
@Slf4j
public class CourseController {

    @Autowired
    private CourseService courseService;

    @Autowired
    private VideoService videoService;

    @ApiOperation("新增课程")
    @PostMapping("save-course-info")
    public R saveCourseInfo(
            @ApiParam(value = "课程基本信息", required = true)
            @RequestBody CourseInfoForm courseInfoForm
    ) {

        String courseId = courseService.saveCourseInfo(courseInfoForm);
        return R.ok().data("courseId", courseId).message("保存成功");
    }

    @ApiOperation("根据id获取课程信息")
    @GetMapping("get/{id}")
    public R getCourseInfo(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable("id") String id
    ) {

        CourseInfoForm courseInfoForm = courseService.getCourseInfoById(id);
        if (courseInfoForm != null) {
            return R.ok().data("item", courseInfoForm);
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("修改课程信息")
    @PutMapping("update")
    public R updateCourseInfo(
            @ApiParam(value = "课程信息", required = true)
            @RequestBody CourseInfoForm courseInfoForm
    ) {
        boolean b = courseService.updateCourseInfo(courseInfoForm);
        return R.ok().message("修改成功");
    }

    @ApiOperation("分页课程信息列表")
    @GetMapping("list/{page}/{limit}")
    public R listPage(@ApiParam(value = "当前页码", required = true) @PathVariable Long page,
                      @ApiParam(value = "每页记录数", required = true) @PathVariable Long limit,
                      @ApiParam(value = "查询条件") CourseQueryVo courseQueryVo) {

        IPage<CourseVo> pageing = courseService.selectPage(page, limit, courseQueryVo);
        long total = pageing.getTotal();
        List<CourseVo> records = pageing.getRecords();

        return R.ok().data("total", total).data("rows", records);
    }

    @ApiOperation(value = "根据ID删除课程", notes = "根据ID删除课程,逻辑删除")
    @DeleteMapping("remove/{id}")
    public R deleteById(@ApiParam(value = "课程ID", required = true) @PathVariable String id) {
        // TODO: 删除课程视频
        // 此处调用vod中的删除视频文件的接口
        videoService.removeMediaByCourserId(id);
        // 删除课程封面
        courseService.removeCoverById(id);

        // 删除课程
        boolean result = courseService.removeCourseById(id);
        if (result) {
            return R.ok().message("删除成功");
        } else {
            return R.error().message("删除失败");
        }
    }

    @ApiOperation("根据ID获取课程发布信息")
    @GetMapping("course-publish/{id}")
    public R getCoursePublishVoById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id) {

        CoursePublishVo coursePublishVo = courseService.getCoursePublishVoById(id);
        if (coursePublishVo != null) {
            return R.ok().data("item", coursePublishVo);
        } else {
            return R.error().message("数据不存在");
        }
    }

    @ApiOperation("根据id发布课程")
    @PutMapping("publish-course/{id}")
    public R publishCourseById(
            @ApiParam(value = "课程ID", required = true)
            @PathVariable String id) {

        boolean result = courseService.publishCourseById(id);
        if (result) {
            return R.ok().message("发布成功");
        } else {
            return R.error().message("数据不存在");
        }
    }
}

